From 406c7d7042a1c266f84de4c05e042163f2298710 Mon Sep 17 00:00:00 2001
From: daveluff <daveluff>
Date: Thu, 4 Mar 2004 10:11:29 +0000
Subject: [PATCH] Fix a problem where track would not get initialised to a
 sensible value before getting altered

---
 src/ATC/AIGAVFRTraffic.cxx | 4 +++-
 src/ATC/AIPlane.cxx        | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ATC/AIGAVFRTraffic.cxx b/src/ATC/AIGAVFRTraffic.cxx
index 8449f236c..dd1827ee7 100644
--- a/src/ATC/AIGAVFRTraffic.cxx
+++ b/src/ATC/AIGAVFRTraffic.cxx
@@ -84,7 +84,9 @@ bool FGAIGAVFRTraffic::Init(Point3D pt, string destID, const string& callsign) {
 	_pos.setelev(_cruise_alt);
 	// initially set waypoint as airport location
 	_wp = _destPos;
-	//_hdg = GetHeadingFromTo(_pos, _wp);
+	// Set the initial track
+	track = GetHeadingFromTo(_pos, _wp);
+	// And set the plane to keep following it.
 	SetTrack(GetHeadingFromTo(_pos, _wp));
 	_roll = 0.0;
 	_pitch = 0.0;
diff --git a/src/ATC/AIPlane.cxx b/src/ATC/AIPlane.cxx
index 91434828d..867bdcd05 100644
--- a/src/ATC/AIPlane.cxx
+++ b/src/ATC/AIPlane.cxx
@@ -44,6 +44,7 @@ FGAIPlane::FGAIPlane() {
 	playing = false;
 	voiceOK = false;
 	vPtr = NULL;
+	track = 0.0;
 	_tgtTrack = 0.0;
 	_trackSet = false;
 	_tgtRoll = 0.0;
@@ -124,6 +125,7 @@ void FGAIPlane::Update(double dt) {
 		while((track - _tgtTrack) > 180.0) track -= 360.0;
 		double turn_time = 60.0;
 		track += (360.0 / turn_time) * dt * (_tgtTrack > track ? 1.0 : -1.0);
+		// TODO - bank a bit less for small turns.
 		Bank(25.0 * (_tgtTrack > track ? 1.0 : -1.0));
 		if(fabs(track - _tgtTrack) < 2.0) {		// TODO - might need to optimise the delta there - it's on the large (safe) side atm.
 			track = _tgtTrack;
-- 
2.39.5